<div
  class="container"
  [ngStyle]="{
    'grid-template-rows': templateRows,
    'grid-template-columns': templateColumns
  }"
  (scroll)="handleScroll($event)"
>
  <ng-content select="[appGridItem]"></ng-content>
</div>
<div class="underline" *ngIf="scrollable">
  <div class="highlight" [ngStyle]="{ margin: sliderMargin }"></div>
</div>
